cgroups

  1. CVE-2026-45838: Linux Kernel BPF cgroup Bug Exposes Data to Userspace

    CVE-2026-45838 was published by NVD on May 27, 2026, after kernel.org assigned a Linux kernel BPF flaw in cgroup_storage_get_next_key() where incorrect end-of-list handling can copy data from an invalid internal pointer to userspace. The bug is not yet scored by NVD, which means defenders are...
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    • cgroups cve-2026-45838 ebpf security linux kernel
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    • Forum: Security Alerts

  2. Linux zswap per-cgroup writeback enables memory compression for containers and VMs

    Linux is adopting a subtle but powerful tweak to its in‑kernel compressed‑swap subsystem — zswap — that gives administrators and container orchestrators fine‑grained control to keep cold pages compressed in RAM instead of writing them to disk, a capability Windows has provided system‑wide for...
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    • cgroups compression containers virtualization zswap
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    • Forum: Windows News